Recent developments in the fabrication of magnetic nanoparticles for the synthesis of trisubstituted pyridines and imidazoles: A green approach

Published on Mar 22, 2021in Synthetic Communications1.796
· DOI :10.1080/00397911.2021.1900257
Shushay Hagos Gebre1
Estimated H-index: 1
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Abstract
Catalyst plays a central role in organic transformations. Designing an efficient, cheap, stable, and green catalyst is the recent interest of chemists. Magnetic nanoparticles coated with ionic liqu...
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#1Sara Hosseini (IAU: Islamic Azad University)H-Index: 2
#2Ali Reza Kiasat (IAU: Islamic Azad University)H-Index: 3
Last. Asadollah Farhadi (Petroleum University of Technology)H-Index: 9
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AbstractA magnetically separable catalyst consisting bipyridinium supported on silica coated Fe3O4 nanoparticles was prepared. Fe3O4@SiO2/bipyridinium nanocomposite (Fe3O4@SiO2/BiPy+22Cl–) was used...
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Catalysis is a key component of “green chemistry”, and is a strategically vital for the efficient and eco-friendly organic transformations. Easy recovery of catalysts and their reusability is a hot...
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In this protocol, Fucoidan (FU), a fucose-rich sulfated polysaccharide extracted from brown algae Fucus vesiculosus was used for in situ preparation of magnetic Fe3O4@FU. Nanoco magnetic properties of Fe3O4@FU were investigated by energy dispersive X-ray (EDX) spectroscopy, X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), Brunauer-Emmett-Teller (BET) adsorption method, and vibrat...
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H3PW12O40-amino-functionalized CdFe12O19@SiO2 nanocomposite has been applied as an effective nanocatalyst for the preparation of imidazoles by three-component reactions of benzil, ammonium acetate,...
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#1Shayan Forouzandehdel (Sharif University of Technology)H-Index: 2
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Abstract As a novel, recyclable nanocatalyst, (Fe3O4)-GOTfOH based Ag nanoparticles doped Starch/PEG-poly (acrylic acid) nanocomposite (Fe3O4@GOTfOH/Ag/St-PEG-AcA) was applied for one-pot synthesis of 2,4,6-triarylpyridine derivatives under water solvent conditions. The prepared nanocomposite was also evaluated in terms of biocompatibility for wound healing. Fe3O4@GOTfOH/Ag/St-PEG-AcA could be easily removed from the mixture of the reaction by an external magnet and recycled without a considerab...
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#1Bo-Wei Chen (NTHU: National Tsing Hua University)H-Index: 1
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The development of novel magnetic nanoparticles (MNPs) with satisfactory biocompatibility for biomedical applications has been the subject of extensive exploration over the past two decades. In thi...
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#1Hadis Hosseini Moghadam (University of Birjand)H-Index: 2
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Cobalt nanoparticles immobilized on magnetic chitosan (Fe3O4@CS-Co) have been prepared. They were identified using various techniques such as Fourier-transform infrared spectroscopy, X-ray diffraction, field emission scanning electron microscopy, energy-dispersive X-ray spectroscopy, transmission electron microscopy, thermogravimetric analysis, vibrating sample magnetometry, X-ray photoelectron spectroscopy, and inductively coupled plasma atomic emission spectroscopy analysis and applied efficie...
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#1Zoleikha Hajizadeh (IUST: Iran University of Science and Technology)H-Index: 12
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Geopolymers as aluminosilicate inorganic polymers and eco-friendly building materials which can be used as substrate for different kinds of composite. In this research, according to the fabrication of geopolymer based on bentonite as a substrate and embedment of NiFe2O4 nanoparticles in the construction of this polymer, the synthesis of a new magnetic nanocomposite (NiFe2O4/geopolymer) was investigated for the first time. In order to describe its chemistry and morphology features, different anal...
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#1Jiali Sun (Inner Mongolia University of Technology)
#2Quanling Suo (Inner Mongolia University of Technology)H-Index: 6
Last. Ya-Qi Wang (Inner Mongolia University of Technology)H-Index: 5
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Abstract null null Two 2-ferrocenylimidazoles decorated with two pyridyl arms, 2-ferrocenyl-4,5-di(2-pyridyl)-1H-imidazole (L1) and 2-ferrocenyl-4,5-di(3-pyridyl)-1H-imidazole (L2), have been synthesized as potential multichannel ditopic receptors for cations and anions, owing to the presence of redox, chromogenic and fluorescent groups at the imidazole core. The structures of L1 and its Ag(I) complex (I) [L12·Ag2·(NO3)2] were further confirmed by X-ray crystal analysis. The most salient feature...
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Designing and building an ideal catalyst for organic reactions is needed to increase the efficiency, reaction conditions, and to reduce its environmental impacts. The growth of nanotechnology is realized in the production of various nano-level catalysts for different applications. The as-synthesized nanocatalysts are easily manipulated to a desired shape and size with a high surface area to volume ratio, which is their critical property of the interaction of the nanomaterials with the substrates...
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